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Collective migration metastasis

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https://www.readbyqxmd.com/read/28096694/luteolin-inhibits-lung-metastasis-cell-migration-and-viability-of-triple-negative-breast-cancer-cells
#1
Matthew T Cook, Yayun Liang, Cynthia Besch-Williford, Salman M Hyder
Most breast cancer-related deaths from triple-negative breast cancer (TNBC) occur following metastasis of cancer cells and development of tumors at secondary sites. Because TNBCs lack the three receptors targeted by current chemotherapeutic regimens, they are typically treated with extremely aggressive and highly toxic non-targeted treatment strategies. Women with TNBC frequently develop metastatic lesions originating from drug-resistant residual cells and have poor prognosis. For this reason, novel therapeutic strategies that are safer and more effective are sought...
2017: Breast Cancer: Targets and Therapy
https://www.readbyqxmd.com/read/28095644/xenopus-as-a-model-organism-to-study-heterotrimeric-g-protein-pathway-during-collective-cell-migration-of-neural-crest
#2
REVIEW
G Toro-Tapia, S Villaseca, J I Leal, A Beyer, J Fuentealba, M Torrejón
Collective cell migration is essential in many fundamental aspects of normal development, like morphogenesis, organ formation, wound healing and immune responses, as well as in the etiology of severe pathologies, like cancer metastasis. In spite of the huge amount of data accumulated on cell migration, such a complex process involves many molecular actors, some of which still remain to be functionally characterized. One of these signals is the heterotrimeric G-protein pathway that has been studied mainly in gastrulation movements...
January 17, 2017: Genesis: the Journal of Genetics and Development
https://www.readbyqxmd.com/read/28089517/hypoxia-induces-a-hif-1-dependent-transition-from-collective-to-amoeboid-dissemination-in-epithelial-cancer-cells
#3
Steffi Lehmann, Veronika Te Boekhorst, Julia Odenthal, Roberta Bianchi, Sjoerd van Helvert, Kristian Ikenberg, Olga Ilina, Szymon Stoma, Jael Xandry, Liying Jiang, Reidar Grenman, Markus Rudin, Peter Friedl
Cancer metastases arise from a multi-step process that requires metastasizing tumor cells to adapt to signaling input from varying tissue environments [1]. As an early metastatic event, cancer cell dissemination occurs through different migration programs, including multicellular, collective, and single-cell mesenchymal or amoeboid migration [2-4]. Migration modes can interconvert based on changes in cell adhesion, cytoskeletal mechanotransduction [5], and/or proteolysis [6], most likely under the control of transcriptional programs such as the epithelial-to-mesenchymal transition (EMT) [7, 8]...
January 11, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28078601/inhibition-of-epithelial-mesenchymal-transition-and-metastasis-by-combined-tgfbeta-knockdown-and-metformin-treatment-in-a-canine-mammary-cancer-xenograft-model
#4
Camila Leonel, Thaiz Ferraz Borin, Lívia de Carvalho Ferreira, Marina Gobbe Moschetta, Marcio Chaim Bajgelman, Alicia M Viloria-Petit, Debora Aparecida Pires de Campos Zuccari
Epithelial mesenchymal transition (EMT) is a process by which epithelial cells acquire mesenchymal properties, generating metastases. Transforming growth factor beta (TGF-β) is associated with this malignancy by having the ability to induce EMT. Metformin, has been shown to inhibit EMT in breast cancer cells. Based on this evidence we hypothesize that treatment with metformin and the silencing of TGF-β, inhibits the EMT in cancer cells. Canine metastatic mammary tumor cell line CF41 was stably transduced with a shRNA-lentivirus, reducing expression level of TGF-β1...
January 11, 2017: Journal of Mammary Gland Biology and Neoplasia
https://www.readbyqxmd.com/read/28057128/-expression-and-function-of-long-intergenic-non-protein-coding-rna-regulator-of-reprogramming-in-high-grade-ovarian-serous-cancer
#5
H H Jiang, Y H Lou, X Y Wang, Y Han, Z M Cui
Objective: To investigate the expression of long intergenic non-protein coding RNA-regulator of reprogramming (Linc-ROR) in high-grade ovarian serous cancer, and explore the relationship between Linc-ROR expression and biological function of high-grade ovarian serous cancer. Methods: A total of 34 high-grade ovarian serous cancer tissue samples and 19 normal fallopian tube tissue samples were collected between June 2014 and February 2016. Real-time reverse transcription (RT)-PCR was used to detect the Linc-ROR mRNA expression in different samples...
December 25, 2016: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/28042023/diverse-pathways-of-epithelial-mesenchymal-transition-related-with-cancer-progression-and-metastasis-and-potential-effects-of-endocrine-disrupting-chemicals-on-epithelial-mesenchymal-transition-process
#6
Hae-Miru Lee, Kyung-A Hwang, Kyung-Chul Choi
Endocrine disrupting chemicals (EDCs) are natural or synthetic compounds that interfere with normal functions of natural hormones in the body, leading to a disruption of the endocrine system. Specifically, EDCs have the potential to cause formation of several hormone-dependent cancers, including breast, ovarian, and prostate cancers. Epithelial mesenchymal transition (EMT) process by which epithelial cells lose their cell polarity and cell-cell adhesion and acquire mesenchymal phenotype is closely associated with malignant transformation and the initiation of cancer metastasis...
December 29, 2016: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28038459/the-netrin-4-neogenin-1-axis-promotes-neuroblastoma-cell-survival-and-migration
#7
Andrea A Villanueva, Paulina Falcón, Natalie Espinoza, Luis Solano R, Luis A Milla, Esther Hernandez-SanMiguel, Vicente A Torres, Pilar Sanchez-Gomez, Verónica Palma
Neogenin-1 (NEO1) is a transmembrane receptor involved in axonal guidance, angiogenesis, neuronal cell migration and cell death, during both embryonic development and adult homeostasis. It has been described as a dependence receptor, because it promotes cell death in the absence of its ligands (Netrin and Repulsive Guidance Molecule (RGM) families) and cell survival when they are present. Although NEO1 and its ligands are involved in tumor progression, their precise role in tumor cell survival and migration remain unclear...
December 25, 2016: Oncotarget
https://www.readbyqxmd.com/read/28035413/tim-3-is-upregulated-in-human-colorectal-carcinoma-and-associated-with-tumor-progression
#8
Muming Yu, Bin Lu, Yancun Liu, Ying Me, Lijun Wang, Peng Zhang
T cell immunoglobulin mucin-3 (Tim-3) has previously been implicated in the immune response and tumor biology. Colorectal carcinoma (CRC) is a malignancy, which is closely associated with inflammation. However, the role of Tim‑3 in the progression of CRC remains to be fully elucidated. The present study aimed to investigate the role of Tim‑3 in the progressive activities of human CRC. A total of 30 clinical CRC tissues and their adjacent tissues were collected. Slides from another 112 cases that underwent CRC surgical resection were also obtained...
February 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28030797/galeterone-and-its-analogs-inhibit-mnk-eif4e-axis-synergize-with-gemcitabine-impede-pancreatic-cancer-cell-migration-invasion-and-proliferation-and-inhibit-tumor-growth-in-mice
#9
Andrew K Kwegyir-Afful, Francis N Murigi, Puranik Purushottamachar, Vidya P Ramamurthy, Marlena S Martin, Vincent C O Njar
Survival rate for pancreatic cancer (pancreatic ductal adenocarcinoma, PDAC) is poor, with about 80% of patients presenting with the metastatic disease. Gemcitabine, the standard chemotherapeutic agent for locally advanced and metastatic PDAC has limited efficacy, attributed to innate/acquired resistance and activation of pro-survival pathways. The Mnk1/2-eIF4E and NF-κB signaling pathways are implicated in PDAC disease progression/metastasis and also associated with gemcitabine-induced resistance in PDAC...
December 24, 2016: Oncotarget
https://www.readbyqxmd.com/read/28012972/a-novel-peptide-9r-p201-strongly-inhibits-the-viability-proliferation-and-migration-of-liver-cancer-hepg2-cells-and-induces-apoptosis-by-down-regulation-of-foxm1-expression
#10
Zhenfei Bi, Wenrong Liu, Ruofang Ding, Yiran Wu, Rongkun Dou, Wenwen Zhang, Xue Yuan, Xinrong Liu, Lili Xiong, Zhiyun Guo, Canquan Mao
Overexpression of FoxM1 was closely related to the proliferation, metastasis, chemo-resistance and poor prognosis of various cancers. FoxM1 was regarded as the Achilles' heel of cancer and a potential target for anti-cancer drug discovery. We previously obtained several high affinity peptides from the phage random library against the DNA binding domain of FoxM1c (FoxM1c-DBD) protein. Here in this paper, we found that 9R-P201, one of the novel peptides, showed stronger inhibition to HepG2 cancer cells than those of DU145, HUVEC and L-02 cells with an IC50 of 43...
December 21, 2016: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28012459/down-regulated-long-non-coding-rna-atb-in-preeclampsia-and-its-effect-on-suppressing-migration-proliferation-and-tube-formation-of-trophoblast-cells
#11
Xijing Liu, Hongqin Chen, Weiqi Kong, Yanping Zhang, Liyuan Cao, Linbo Gao, Rong Zhou
Preeclampsia is a pregnancy-specific syndrome and is one of the main causes of maternal, fetal, and neonatal morbidity and mortality. Inadequate trophoblast invasion and failure of uterine spiral artery remodeling exert a major role in the development of preeclampsia, especially the early-onset one. LncRNA-ATB is verified to be aberrantly expressed in many cancers and promote the invasion-metastasis and proliferation cascades. But little is known of lncRNA-ATB's role in preeclampsia. The aim of current study is to identify the changes of lncRNA-ATB in preeclampsia and its effects on trophoblast...
January 2017: Placenta
https://www.readbyqxmd.com/read/28008274/lipopolysaccharide-induced-%C3%AE-catenin-downregulation-enhances-the-motility-of-human-colorectal-cancer-cells-in-an-nf-%C3%AE%C2%BAb-signaling-dependent-manner
#12
Guoping Cheng, Shifeng Yang, Gu Zhang, Yanxia Xu, Xiaoling Liu, Wenyong Sun, Liang Zhu
α-Catenin is an important molecule involved in the maintenance of cell-cell adhesion and a prognostic marker in cancer since its expression is essential for preventing cancer metastasis. However, the mechanism that leads to the downregulation of α-catenin in cancer progression remains unclear. The present study revealed that lipopolysaccharide (LPS)-induced NF-κB signaling activation suppressed α-catenin expression and motility in SW620 colorectal cancer (CRC) cells, using real-time polymerase chain reaction, Western blotting, and transwell migration assays...
2016: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28002999/targeting-leptin-as-a-therapeutic-strategy-against-ovarian-cancer-peritoneal-metastasis
#13
Xiao Wei, Yi Liu, Cheng Gong, Teng Ji, Xiaoshui Zhou, Taoran Zhang, Dongyi Wan, Sen Xu, Ping Jin, Xin Yang, Xiaoting Li, Ding Ma, Zongyuan Yang, Qinglei Gao
Epithelial ovarian cancer (OC) is the leading cause of death in patients with gynecologic malignancy. Malignant ascites,a shared symptom of advanced OC patients, plays an important role in the peritoneal metastasis cascade of OC. Since leptin existed in great amount in malignant ascites, we speculated that it might be involved in the modulation of tumor cells malignant behavior. Here, we demonstrated that blocking of leptin could significantly suppress ovarian malignant ascites-induced metastatic aggravation of OC cells...
December 21, 2016: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/28002998/targeting-leptin-as-a-therapeutic-strategy-against-ovarian-cancer-peritoneal-metastasis
#14
Xiao Wei, Yi Liu, Cheng Gong, Teng Ji, Xiaoshui Zhou, Taoran Zhang, Dongyi Wan, Sen Xu, Ping Jin, Xin Yang, Xiaoting Li, Ding Ma, Zongyuan Yang, Qinglei Gao
Epithelial ovarian cancer (OC) is the leading cause of death in patients with gynecologic malignancy. Malignant ascites,a shared symptom of advanced OC patients, plays an important role in the peritoneal metastasis cascade of OC. Since leptin existed in great amount in malignant ascites, we speculated that it might be involved in the modulation of tumor cells malignant behavior. Here, we demonstrated that blocking of leptin could significantly suppress ovarian malignant ascites-induced metastatic aggravation of OC cells...
December 21, 2016: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/27994670/rab14-suppression-mediated-by-mir-320a-inhibits-cell-proliferation-migration-and-invasion-in-breast-cancer
#15
Juan Yu, Lei Wang, Haiping Yang, Di Ding, Lei Zhang, Jigang Wang, Qi Chen, Qiang Zou, Yiting Jin, Xiuping Liu
We found that microRNA-320a (miR-320a) was an attractive prognostic biomarker in breast cancer (BC) previously, whereas its regulatory mechanism in BC was not well understood. Our aim was to identify miR-320a target gene, examine the clinical relationship between miR-320a and its target, and further explore the functions of its target in BC. In this study, miR-320a downstream target gene was determined in HEK-293T cells by dual luciferase reporter assay. Then western blotting and immunohistochemistry were used to assess miR-320a target gene expression in fresh frozen (n=19, breast cancer and matched non-malignant adjacent tissue samples) and formalin-fixed paraffin-embedded (FFPE) (n=130, invasive BC tissues, the same panel detected for miR-320a expression previously) breast tissues, respectively...
2016: Journal of Cancer
https://www.readbyqxmd.com/read/27989746/tension-re-builds-biophysical-mechanisms-of-embryonic-wound-repair
#16
REVIEW
Teresa Zulueta-Coarasa, Rodrigo Fernandez-Gonzalez
Embryonic tissues display an outstanding ability to rapidly repair wounds. Epithelia, in particular, serve as protective layers that line internal organs and form the skin. Thus, maintenance of epithelial integrity is of utmost importance for animal survival, particularly at embryonic stages, when an immune system has not yet fully developed. Rapid embryonic repair of epithelial tissues is conserved across species, and involves the collective migration of the cells around the wound. The migratory cell behaviours associated with wound repair require the generation and transmission of mechanical forces, not only for the cells to move, but also to coordinate their movements...
December 15, 2016: Mechanisms of Development
https://www.readbyqxmd.com/read/27984579/modeling-contact-inhibition-of-locomotion-of-colliding-cells-migrating-on-micropatterned-substrates
#17
Dirk Alexander Kulawiak, Brian A Camley, Wouter-Jan Rappel
In cancer metastasis, embryonic development, and wound healing, cells can coordinate their motion, leading to collective motility. To characterize these cell-cell interactions, which include contact inhibition of locomotion (CIL), micropatterned substrates are often used to restrict cell migration to linear, quasi-one-dimensional paths. In these assays, collisions between polarized cells occur frequently with only a few possible outcomes, such as cells reversing direction, sticking to one another, or walking past one another...
December 2016: PLoS Computational Biology
https://www.readbyqxmd.com/read/27983935/mir-644a-inhibits-cellular-proliferation-and-invasion-via-suppression-of-ctbp1-in-gastric-cancer-cells
#18
Yingchao Li, Xiaoni Yan, Li Ren, Yang Li
Epithelial to mesenchymal transition (EMT) is one of the most important reasons for the metastasis of various cancers,including gastric cancer (GC). In this study, we will explore the putative significance of miR-644a and its role in EMT-mediated metastasis of GC. Firstly, we detected the expression of miR-644a in a cohort of 107 GC tissues using quantitative RT-PCR. The expression of miR-644a was suppressed in GC tissues, and was related with later clinical stage and tumor metastasis. Restoring the expression of miR-644a could significantly suppress the migration and invasion of HGC-27 and SGC-7901 cells, which might be correlated with its suppressive effects on the EMT procedure...
October 27, 2016: Oncology Research
https://www.readbyqxmd.com/read/27979841/modeling-alveolar-soft-part-sarcoma-unveils-novel-mechanisms-of-metastasis
#19
Miwa Tanaka, Mizuki Homme, Yukari Yamazaki, Rikuka Shimizu, Yutaka Takazawa, Takuro Nakamura
Alveolar soft part sarcoma (ASPS) is a slowly-growing but highly metastatic sarcoma that affects adolescents and young adults. Its characteristic alveolar structure is constituted by tumor cell nests and an abundant vascular network that is responsible for metastatic activities at the initial stage. Here we have generated a new ex vivo mouse model for ASPS that well recapitulates associated angiogenic and metastatic phenotypes. In mouse ASPS, the tumor cells frequently showed tumor intravasation with the intravascular tumor cells presenting as organoid structures covered with hemangiopericytes, which is also observed in human ASPS...
December 15, 2016: Cancer Research
https://www.readbyqxmd.com/read/27959451/elk3-promotes-the-migration-and-invasion-of-liver-cancer-stem-cells-by-targeting-hif-1%C3%AE
#20
Joon Ho Lee, Wonhee Hur, Sung Woo Hong, Jung-Hee Kim, Sung Min Kim, Eun Byul Lee, Seung Kew Yoon
Hepatocellular carcinoma (HCC) is the fifth most common solid cancer and the third most common cause of cancer-related mortality. HCC develops via a multistep process associated with genetic aberrations that facilitate HCC invasion and migration and promote metastasis. A growing body of evidence indicates that cancer stem cells (CSCs) are responsible for tumorigenesis, cancer cell invasion and metastasis. Despite the extremely small proportion of cancer cells represented by this subpopulation of HCC cells, CSCs play a key role in cancer metastasis and poor prognosis...
February 2017: Oncology Reports
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